I'm not perfect, I don't claim to be, and I don't expect anyone to be.
我不完美，我不声称自己是，我也不期望任何人完美。
The biggest challenge is to be yourself in a world that is trying to make you like everyone else.
The teacher should not teach as if he were pouring knowledge into an empty vessel, but rather as if he were lighting a fire.
言语是唯一永恒的东西。